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ARC SUB 8

WARRANTY

This amplifier is warranted against defects in material and

workmanship for a period of 90 days from date of shipment,

when installed in accordance with the owner s manual in a

clean, dry, interior home environment. THIS AMPLIFIER IS

NOT SUITABLE FOR OPERATION OUTSIDE OR IN HARSH

ENVIRONMENTS. During the warranty period, the

manufacturer will, at its option, either repair of replace products

which prove to be defective.

For warranty service or repair, this product must be properly

packed and returned to a service facility designated by the

manufacturer. Buyer shall prepay shipping charges to the

designated facility and the manufacturer shall pay shipping

charges to return the product to buyer. However, Buyer shall

pay all shipping charges, duties and taxes for products

returned to the manufacturer from another country.

The manufacturer does not warrant that the operation of the

product will be uninterrupted or error-free. The Buyer must

determine the suitability of the product for his or her purposes.

LIMITATION OF WARRANTY

The foregoing warranty shall not apply to defects resulting from

improper or inadequate maintenance by Buyer, Buyer-supplied

interfacing, unauthorized modification or misuse, operation

outside of the environment specifications for the product

including inadequate ventilation, or improper site preparation,

installation, or maintenance.

NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. THE

MANUFACTURER SPECIFICALLY DISCLAIMS THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND

FITNESS FOR A PARTICULAR PURPOSE.

EXCLUSIVE REMEDIES

THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE

AND EXCLUSIVE REMEDIES. THE MANUFACTURER

SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT,

SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,

WHETHER BASED ON CONTRACT, TORT, OR ANY OTHER

LEGAL THEORY.

SAFETY SYMBOLS

The following symbols are used throughout this manual and in

the product. Familiarize yourself with each of the symbols and

its meaning before servicing this amplifier.

Instruction manual symbol. The product will be

marked with this symbol when it is necessary for the

user to refer to the instruction manual in order to

protect the unit against damage.

Indicates dangerous voltages are present. Be

extremely careful.

The CAUTION sign denoted a hazard. It calls

attention to a procedure which, if not

correctly performed or adhered to,

could result in damage to or

destruction of the amplifier. Do not

proceed beyond a CAUTION sign until the indicated conditions

are fully understood and met.

The WARNING sign denotes a hazard. It calls attention to a

procedure which, if not correctly

performed or adhered to could result

in injury or loss of life. Do not

proceed beyond a WARNING sign

until the indicated conditions are fully understood and met.

GENERAL SAFETY CONSIDERATIONS

THIS UNIT DOES NOT HAVE A POWER SWITCH;

HAZARDOUS VOLTAGES ARE PRESENT WITHIN THE

UNIT WHENEVER IT IS PLUGGED IN.

There are voltages and hot components at many points in the

amplifier which can, if contacted, cause serious injury. Be

extremely careful. Any adjustments or service procedures that

require operation of the amplifier out of its enclosure should be

performed only by trained service personnel.

Summary of Contents for 8

Page 1: ...N U A L JBL Consumer Products Inc 250 Crossways Park Drive Woodbury N Y 11797 A Harman International Company 1112 ARCSUB8 Rev A 10 98 S E R V I C E M A N U A L ARC SUB 8 Discrete Output High Current 8...

Page 2: ...high polymer laminated cone Inputs Line level and High Level Outputs High level with High Pass filter at 180Hz Crossover Frequency 50 150Hz continuosly variable Frequency Response 45Hz to 150Hz deter...

Page 3: ...ANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE EXCLUSIVE REMEDIES THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES THE MANUFACTURER SHALL NOT BE LIABLE FOR ANY DIRE...

Page 4: ...D This LED will light green when the unit is plugged in and is receiving signal When in standby mode the LED is red 4 Low Level Input These left and right Line Level Inputs are normally used when the...

Page 5: ...signal generator 7 Turn on generator and adjust so that speaker level output is 2 0V 50 Hz Turn VOLUME control full clockwise 8 Green LED should light immediate bass response should be heard and felt...

Page 6: ...INGS in section 2 To prevent loose hardware from reducing safety spacings it is essential that all hardware be replaced in the same manner as it was removed with lock washers under all nuts proper tor...

Page 7: ...one of the following methods A Insulation Resistance Test With a 500VDC Insulation Tester Check insulation from the outer metal contact of the RCA jack chassis to the line neutral of AC cord Resistanc...

Page 8: ...7 Powered Subwoofer ARC SUB 8 ARC SUB 8 AMPLIFIER BLOCK DIAGRAM...

Page 9: ...8 Powered Subwoofer ARC SUB 8 CABINET EXPLODED VIEW...

Page 10: ...W 5 1 3W CAN BE USED R11 12 40100 330 1 2W 5 2 CARBON FILM R10 13 40404 1K 2W 5 2 CARBON FILM Ref Part Description Qty R14 20 40405 4 7K 1 4W 5 2 CARBON FILM R16 17 40101 820 2W 5 2 CARBON FILM R18 40...

Page 11: ...BS FOR CONTROLS 2 F1 80104 250V 0 50A T TYPE SLO BLO FUSE 1 POWER CORD 80105 POWER CORD 2 CONDUCTOR 1 STRAIN RELIEF 70305 POWER CORD STRAIN RELIEF 1 FUSE PCB 80106 PCB COMPLETE WITH CONNECTORS 1 FACEP...

Page 12: ...1 1 Powered Subwoofer ARC SUB 8 PACKAGING EXPLODED VIEW...

Page 13: ...1 2 Powered Subwoofer ARC SUB 8 INTEGRATED CIRCUIT DIAGRAM...

Page 14: ...1 3 Powered Subwoofer ARC SUB 8 PRINTED CIRCUIT BOARD TOP VIEW...

Page 15: ...1 4 Powered Subwoofer ARC SUB 8 SCHEMATIC DIAGRAM 1 5 5 4 4 3 3 2 2 1 1 A A B B C C D D E E F F G G S53AMI U2 T1...

Page 16: ...1 5 Powered Subwoofer ARC SUB 8 5 5 4 4 3 3 2 2 1 1 A A B B C C D D E E F F G G U1a U1d U1b U1c 2N3906 100K 6 04K 150K SCHEMATIC DIAGRAM 2...

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